+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100283 (1995 BU8) Classification: Main-belt Asteroid          SPK-ID: 2100283 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1183091350764833 3.5819e-08   a 3.008910735716827 1.6915e-08 au q 2.652929109051824 1.1077e-07 au i 1.960402080977785 3.8737e-06 deg node 53.35165208118777 0.00011817 deg peri 65.24019199013577 0.00011974 deg M 354.1217894600042 1.8017e-05 deg tp 2459231.628272456311 (2021-Jan-17.12827246) 9.5443e-05 TDB period 1906.392771749883 5.22 1.6076e-05 4.401e-08 d yr n .1888383156580871 1.5924e-09 deg/d Q 3.36489236238183 1.8916e-08 au   Orbit Determination Parameters    # obs. used (total)      823      data-arc span      9489 days (25.98 yr)      first obs. used      1995-01-29      last obs. used      2021-01-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50363      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 08:24:55   Additional Information  Earth MOID = 1.66972 au   Jupiter MOID = 1.71227 au   T_jup = 3.239  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.25   n/a E2021B55   diameter diameter 4.896 km 0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.067   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   100283 (1995 BU8)          Discovered 1995-Jan-29 by Spacewatch at Kitt Peak Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1995 BU8 = 1998 SO44  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Feb-28 16:38 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin